package com.sptpc.exam.filter;

import com.sptpc.exam.model.User;

import javax.servlet.*;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * ${NAME}
 * Description:
 * date: 2019/11/21 11:31 上午
 *
 * @author alexchen
 */
@WebFilter("/admin/*")
public class ACLFilter implements Filter {
    public void destroy() {
    }

    public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException {
        HttpServletRequest request = (HttpServletRequest) req;
        HttpServletResponse response = (HttpServletResponse) resp;

        User user = (User) request.getSession().getAttribute("user");
        if (user == null) {
            response.sendRedirect("/index.jsp");
        }

        chain.doFilter(req, resp);
    }

    public void init(FilterConfig config) throws ServletException {

    }

}
